The Tilley LTM6 is a broad-brimmed hat that slopes down at the front and back and offers ¾" polyester mesh in the crown, allowing for comfortable air circulation on hot days. It is made of Tilley Nylamtium®, a lightweight, water and mildew-resistant nylon. Since 1980, Tilley has produced and sold their wide range of outdoor, adventure and travel hats worldwide and is renowned for their quality, innovation and lifetime guarantee - if the hat ever wears out, Tilley will replace it for free. Each hat comes with a hidden secret pocket, an owner's manual and a warranty card. If you want a hat to do the job, look the part and endure for a long time, Tilley is the one for you. This model offers good sun protection and a shield from rain. Brim sizes: Front and Back (8.89cm).